mirror of
https://github.com/boostorg/compat.git
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135 lines
4.9 KiB
C++
135 lines
4.9 KiB
C++
// Copyright 2024 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#if defined(__GNUC__) && __GNUC__ == 7
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# pragma GCC diagnostic ignored "-Wnoexcept-type"
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#endif
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#include <boost/compat/invoke.hpp>
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#include <boost/config.hpp>
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#include <boost/config/workaround.hpp>
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#define STATIC_ASSERT(...) static_assert((__VA_ARGS__), #__VA_ARGS__)
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#define BOOST_TEST_EQ(x, y) STATIC_ASSERT((x) == (y))
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struct X
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{
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constexpr int f0() const
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{
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return -1;
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}
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constexpr int f1( int x1 ) const noexcept
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{
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return x1;
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}
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constexpr int f2( int x1, int x2 ) const
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{
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return 10*x1+x2;
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}
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constexpr int f3( int x1, int x2, int x3 ) const noexcept
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{
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return 100*x1 + 10*x2 + x3;
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}
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};
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struct Y: public X
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{
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};
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int main()
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{
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{
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, X() ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, X(), 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, X(), 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, X(), 1, 2, 3 ), 123 );
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#if !defined(BOOST_NO_CXX14_CONSTEXPR)
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f0, X() ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f1, X(), 1 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f2, X(), 1, 2 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f3, X(), 1, 2, 3 ), true );
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#endif
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}
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{
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, Y() ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, Y(), 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, Y(), 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, Y(), 1, 2, 3 ), 123 );
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#if !defined(BOOST_NO_CXX14_CONSTEXPR)
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f0, Y() ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f1, Y(), 1 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f2, Y(), 1, 2 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f3, Y(), 1, 2, 3 ), true );
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#endif
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}
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{
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constexpr X x = {};
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, x ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, x, 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, x, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, x, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, &x ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, &x, 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, &x, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, &x, 1, 2, 3 ), 123 );
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#if !defined(BOOST_NO_CXX14_CONSTEXPR)
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f0, x ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f1, x, 1 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f2, x, 1, 2 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f3, x, 1, 2, 3 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f0, &x ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f1, &x, 1 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f2, &x, 1, 2 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f3, &x, 1, 2, 3 ), true );
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#endif
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}
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#if !BOOST_WORKAROUND(BOOST_MSVC, < 1910)
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{
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constexpr Y y = {};
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, y ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, y, 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, y, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, y, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, &y ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, &y, 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, &y, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, &y, 1, 2, 3 ), 123 );
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#if !defined(BOOST_NO_CXX14_CONSTEXPR)
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f0, y ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f1, y, 1 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f2, y, 1, 2 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f3, y, 1, 2, 3 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f0, &y ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f1, &y, 1 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f2, &y, 1, 2 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( &X::f3, &y, 1, 2, 3 ), true );
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#endif
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}
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#endif
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}
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